test/langtools/tools/javac/resolve/BitWiseOperators.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 8082311 8129962
 * @summary Verify that bitwise operators don't allow to mix numeric and boolean operands.
 * @library ../lib
 * @modules jdk.compiler/com.sun.tools.javac.api
 *          jdk.compiler/com.sun.tools.javac.file
 *          jdk.compiler/com.sun.tools.javac.util
 * @build combo.ComboTestHelper
 * @run main BitWiseOperators
 */

import com.sun.tools.javac.util.StringUtils;

import java.io.IOException;

import combo.ComboInstance;
import combo.ComboParameter;
import combo.ComboTask.Result;
import combo.ComboTestHelper;


public class BitWiseOperators extends ComboInstance<BitWiseOperators> {

    enum OperandType implements ComboParameter {
        BYTE,
        CHAR,
        SHORT,
        INT,
        LONG,
        BOOLEAN;

        public static boolean compatible(OperandType op1, OperandType op2) {
            return !(op1 == BOOLEAN ^ op2 == BOOLEAN);
        }

        @Override
        public String expand(String optParameter) {
            return StringUtils.toLowerCase(name());
        }
    }

    enum OperatorKind implements ComboParameter {
        BITAND("&"),
        BITOR("|"),
        BITXOR("^");

        String op;

        OperatorKind(String op) {
            this.op = op;
        }

        @Override
        public String expand(String optParameter) {
            return op;
        }
    }

    public static void main(String... args) {
        new ComboTestHelper<BitWiseOperators>()
                .withArrayDimension("TYPE", (x, type, idx) -> x.opTypes[idx] = type, 2, OperandType.values())
                .withDimension("OP", OperatorKind.values())
                .run(BitWiseOperators::new);
    }

    OperandType[] opTypes = new OperandType[2];

    String template = "class Test {\n" +
                      "    public Object test(#{TYPE[0]} var1, #{TYPE[1]} var2) {\n" +
                      "        return var1 #{OP} var2;\n" +
                      "    }\n" +
                      "}";

    @Override
    public void doWork() throws IOException {
        newCompilationTask()
                .withSourceFromTemplate(template)
                .analyze(res -> {
            if (res.hasErrors() == OperandType.compatible(opTypes[0], opTypes[1])) {
                fail("Unexpected behavior. Type1: " + opTypes[0] +
                        "; type2: " + opTypes[1] +
                        "; " + res.compilationInfo());
            }
        });
    }
}